mineral ore短语⁹⁶⁶⁷⁷⁺⁶ 基本例句 矿砂 However, the per capita mineral reserves are very low, and poor ore, a large proportion of mineral ore, unevenly spread. 但是，矿产的人均储量则相当低，且贫矿、伴生矿比重很大，分布不均。 mop Very heavy objects or bulky materials like coal, cement, mineral ore, and the like, are weighed. 十分重的物体或者像煤、水泥、矿石等沉积如山的原资料用吨计重。 cn56tong